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mimalloc

v0.1.48 Growing

Performance and security oriented drop-in allocator

MIT Edition 2018
API bindingsMemory management #performance#allocator#mimalloc#encrypted-heap

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (8.7K crates depend on it)
  • โœ“Tiny footprint (5KB, 1 deps)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
30.9M
Dependents
8.7K
Releases
49
Size
5KB

Deep Insights

๐Ÿ“Š
Steady growth

3.4M downloads in the last 30 days (112.0K/day), up 9% from the previous period.

๐Ÿ”—
Widely adopted

8.7K crates depend on mimalloc. Strong ecosystem adoption means battle-tested code and long-term stability.

โš ๏ธ
Single maintainer risk

mimalloc has only 1 owner despite 8.7K dependents. This is a bus-factor concern โ€” consider the implications for long-term support.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 6+ years old, mimalloc hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿชถ
Minimal dependencies

Only 1 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐Ÿ“
Compact crate

At 5KB, mimalloc is lightweight. Small crate size correlates with focused, well-scoped functionality.

โš ๏ธ
Notable yanked versions

24% of releases have been yanked. Check version history before pinning.

๐ŸŒŸ
Used by top crates

Notable dependents include aws-smithy-eventstream, epaint, parity-util-mem, encase, cargo-binstall. When high-quality crates choose mimalloc, it's a strong quality signal.

Health Breakdown

Maintenance 11/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 9/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
97K/day avg+41%
050K100K150K200K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.1.48
45%
v0.1.43
24%
v0.1.39
11%
v0.1.47
10%
v0.1.46
9%

Release Timeline

49 releases12 yankedsince 2019
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2019
12
2020
11
2021
5
2022
5
2023
7
2024
4
2025
5
2026
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Yanked

Feature Flags

v3debugno_thpsecureextendedoverridedebug_in_debuglocal_dynamic_tls

README

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Maintainers

Dependencies
1
direct dependencies
Dependents
8.7K
crates depend on mimalloc

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